ping dev versions correctly
ping dev versions correctly

as discussed in: https://github.com/numba/numba/pull/5172

sklam/numba,gmarkall/numba,cpcloud/numba,sklam/numba,stonebig/numba,seibert/numba,stuartarchibald/numba,gmarkall/numba,stonebig/numba,numba/numba,stonebig/numba,cpcloud/numba,seibert/numba,IntelLabs/numba,IntelLabs/numba,sklam/numba,stonebig/numba,numba/numba,cpcloud/numba,stonebig/numba,stuartarchibald/numba,numba/numba,gmarkall/numba,sklam/numba,IntelLabs/numba,cpcloud/numba,gmarkall/numba,stuartarchibald/numba,numba/numba,sklam/numba,seibert/numba,gmarkall/numba,numba/numba,IntelLabs/numba,stuartarchibald/numba,seibert/numba,stuartarchibald/numba,IntelLabs/numba,seibert/numba,cpcloud/numba